package main

import "fmt"

type point struct {
	x,y int
}
func main() {
	s := "hello"
	n := 123
	p := point{1,2}
	fmt.Println(s,n)
	fmt.Println(p)

	fmt.Printf("s=%v\n",s)
	fmt.Printf("n=%v\n",n)
	fmt.Printf("p=%v\n",p)
	fmt.Printf("p=%+v\n",p)
	fmt.Printf("p=%#v\n",p)

	f := 3.141592653
	fmt.Println(f)
	fmt.Printf("%.2f\n",f)
}
